～に取り掛かる: get cracking on すぐに取り掛かる: 1. get busy 2. get right on it〔it は「やるべきこと」を形式的に表している〕 すぐに～に取り掛かる: cut to やっと～に取り掛かる: 1. come round to 2. get around to 作業に取り掛かる: set to labor on〔～の〕 修理に取り掛かる: go at fixing 問題に取り掛かる: work around 実験に取り掛かる: undertake an experiment 家事に取り掛かる: go about one's household duties 宿題に取り掛かる: start working on one's homework 建設に取り掛かる: proceed with the building 急いで～に取り掛かる: move fast on 残務に取り掛かる: make an attack on a backlog of work 殺人に取り掛かる: take up murdering 物事に取り掛かる: approach things
